float.h 1.9 KB

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  1. /*
  2. * float.h - implementation limits
  3. */
  4. /* $Id$ */
  5. #if !defined(_FLOAT_H)
  6. #define _FLOAT_H
  7. #if defined(__vax) || defined(__pdp)
  8. #define FLT_DIG 6
  9. #define FLT_EPSILON 5.96046448e-08F
  10. #define FLT_MANT_DIG 8
  11. #define FLT_MAX 1.70141173e+38F
  12. #define FLT_MAX_10_EXP 38
  13. #define FLT_MAX_EXP 127
  14. #define FLT_MIN 2.93873588e-39F
  15. #define FLT_MIN_10_EXP (-38)
  16. #define FLT_MIN_EXP (-127)
  17. #define DBL_DIG 16
  18. #define DBL_EPSILON 1.38777878078144568e-17
  19. #define DBL_MANT_DIG 8
  20. #define DBL_MAX 1.70141183460469229e+38
  21. #define DBL_MAX_10_EXP 38
  22. #define DBL_MAX_EXP 127
  23. #define DBL_MIN 2.93873587705571877e-39
  24. #define DBL_MIN_10_EXP (-38)
  25. #define DBL_MIN_EXP (-127)
  26. #define LDBL_DIG 16
  27. #define LDBL_EPSILON 1.38777878078144568e-17L
  28. #define LDBL_MANT_DIG 8
  29. #define LDBL_MAX 1.70141183460469229e+38L
  30. #define LDBL_MAX_10_EXP 38
  31. #define LDBL_MAX_EXP 127
  32. #define LDBL_MIN 2.93873587705571877e-39L
  33. #define LDBL_MIN_10_EXP (-38)
  34. #define LDBL_MIN_EXP (-127)
  35. #define FLT_ROUNDS 1
  36. #define FLT_RADIX 2
  37. #else /* IEEE format */
  38. #define FLT_DIG 6
  39. #define FLT_EPSILON 1.19209290e-07F
  40. #define FLT_MANT_DIG 24
  41. #define FLT_MAX 3.40282347e+38F
  42. #define FLT_MAX_10_EXP 38
  43. #define FLT_MAX_EXP 128
  44. #define FLT_MIN 1.17549435e-38F
  45. #define FLT_MIN_10_EXP (-37)
  46. #define FLT_MIN_EXP (-125)
  47. #define DBL_DIG 15
  48. #define DBL_EPSILON 2.2204460492503131e-16
  49. #define DBL_MANT_DIG 53
  50. #define DBL_MAX 1.7976931348623157e+308
  51. #define DBL_MAX_10_EXP 308
  52. #define DBL_MAX_EXP 1024
  53. #define DBL_MIN 2.2250738585072014e-308
  54. #define DBL_MIN_10_EXP (-307)
  55. #define DBL_MIN_EXP (-1021)
  56. #define LDBL_DIG 15
  57. #define LDBL_EPSILON 2.2204460492503131e-16L
  58. #define LDBL_MANT_DIG 53
  59. #define LDBL_MAX 1.7976931348623157e+308L
  60. #define LDBL_MAX_10_EXP 308
  61. #define LDBL_MAX_EXP 1024
  62. #define LDBL_MIN 2.2250738585072014e-308L
  63. #define LDBL_MIN_10_EXP (-307)
  64. #define LDBL_MIN_EXP (-1021)
  65. #define FLT_ROUNDS 1
  66. #define FLT_RADIX 2
  67. #endif /* vax, pdp or ieee */
  68. #endif /* _FLOAT_H */